SUSE-SU-2025:20719-1

Vulnerability from csaf_suse - Published: 2025-09-22 08:44 - Updated: 2025-09-22 08:44
Summary
Security update for krb5

Notes

Title of the patch
Security update for krb5
Description of the patch
This update for krb5 fixes the following issues: - CVE-2025-3576: Fixed Kerberos RC4-HMAC-MD5 Checksum Vulnerability (bsc#1241219)
Patchnames
SUSE-SLE-Micro-6.0-469
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for krb5",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for krb5 fixes the following issues:\n\n- CVE-2025-3576: Fixed Kerberos RC4-HMAC-MD5 Checksum Vulnerability (bsc#1241219)\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-SLE-Micro-6.0-469",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_20719-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2025:20719-1",
        "url": "https://www.suse.com/support/update/announcement/2025/suse-su-202520719-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2025:20719-1",
        "url": "https://lists.suse.com/pipermail/sle-updates/2025-September/041915.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1241219",
        "url": "https://bugzilla.suse.com/1241219"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2025-3576 page",
        "url": "https://www.suse.com/security/cve/CVE-2025-3576/"
      }
    ],
    "title": "Security update for krb5",
    "tracking": {
      "current_release_date": "2025-09-22T08:44:49Z",
      "generator": {
        "date": "2025-09-22T08:44:49Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2025:20719-1",
      "initial_release_date": "2025-09-22T08:44:49Z",
      "revision_history": [
        {
          "date": "2025-09-22T08:44:49Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "krb5-1.20.1-7.1.aarch64",
                "product": {
                  "name": "krb5-1.20.1-7.1.aarch64",
                  "product_id": "krb5-1.20.1-7.1.aarch64"
                }
              },
              {
                "category": "product_version",
                "name": "krb5-client-1.20.1-7.1.aarch64",
                "product": {
                  "name": "krb5-client-1.20.1-7.1.aarch64",
                  "product_id": "krb5-client-1.20.1-7.1.aarch64"
                }
              }
            ],
            "category": "architecture",
            "name": "aarch64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "krb5-1.20.1-7.1.s390x",
                "product": {
                  "name": "krb5-1.20.1-7.1.s390x",
                  "product_id": "krb5-1.20.1-7.1.s390x"
                }
              },
              {
                "category": "product_version",
                "name": "krb5-client-1.20.1-7.1.s390x",
                "product": {
                  "name": "krb5-client-1.20.1-7.1.s390x",
                  "product_id": "krb5-client-1.20.1-7.1.s390x"
                }
              }
            ],
            "category": "architecture",
            "name": "s390x"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "krb5-1.20.1-7.1.x86_64",
                "product": {
                  "name": "krb5-1.20.1-7.1.x86_64",
                  "product_id": "krb5-1.20.1-7.1.x86_64"
                }
              },
              {
                "category": "product_version",
                "name": "krb5-client-1.20.1-7.1.x86_64",
                "product": {
                  "name": "krb5-client-1.20.1-7.1.x86_64",
                  "product_id": "krb5-client-1.20.1-7.1.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Micro 6.0",
                "product": {
                  "name": "SUSE Linux Micro 6.0",
                  "product_id": "SUSE Linux Micro 6.0",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sl-micro:6.0"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "krb5-1.20.1-7.1.aarch64 as component of SUSE Linux Micro 6.0",
          "product_id": "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.aarch64"
        },
        "product_reference": "krb5-1.20.1-7.1.aarch64",
        "relates_to_product_reference": "SUSE Linux Micro 6.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "krb5-1.20.1-7.1.s390x as component of SUSE Linux Micro 6.0",
          "product_id": "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.s390x"
        },
        "product_reference": "krb5-1.20.1-7.1.s390x",
        "relates_to_product_reference": "SUSE Linux Micro 6.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "krb5-1.20.1-7.1.x86_64 as component of SUSE Linux Micro 6.0",
          "product_id": "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.x86_64"
        },
        "product_reference": "krb5-1.20.1-7.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Micro 6.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "krb5-client-1.20.1-7.1.aarch64 as component of SUSE Linux Micro 6.0",
          "product_id": "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.aarch64"
        },
        "product_reference": "krb5-client-1.20.1-7.1.aarch64",
        "relates_to_product_reference": "SUSE Linux Micro 6.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "krb5-client-1.20.1-7.1.s390x as component of SUSE Linux Micro 6.0",
          "product_id": "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.s390x"
        },
        "product_reference": "krb5-client-1.20.1-7.1.s390x",
        "relates_to_product_reference": "SUSE Linux Micro 6.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "krb5-client-1.20.1-7.1.x86_64 as component of SUSE Linux Micro 6.0",
          "product_id": "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.x86_64"
        },
        "product_reference": "krb5-client-1.20.1-7.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Micro 6.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-3576",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-3576"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A vulnerability in the MIT Kerberos implementation allows GSSAPI-protected messages using RC4-HMAC-MD5 to be spoofed due to weaknesses in the MD5 checksum design. If RC4 is preferred over stronger encryption types, an attacker could exploit MD5 collisions to forge message integrity codes. This may lead to unauthorized message tampering.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.aarch64",
          "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.s390x",
          "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.x86_64",
          "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.aarch64",
          "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.s390x",
          "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-3576",
          "url": "https://www.suse.com/security/cve/CVE-2025-3576"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1241218 for CVE-2025-3576",
          "url": "https://bugzilla.suse.com/1241218"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.aarch64",
            "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.s390x",
            "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.x86_64",
            "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.aarch64",
            "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.s390x",
            "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.aarch64",
            "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.s390x",
            "SUSE Linux Micro 6.0:krb5-1.20.1-7.1.x86_64",
            "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.aarch64",
            "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.s390x",
            "SUSE Linux Micro 6.0:krb5-client-1.20.1-7.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-09-22T08:44:49Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2025-3576"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.